Respuesta:
A-X=5
B-X=-30
A
a) 8x - 16 = 12x - 36
-16 + 36 = 12x - 8x
20 = 4x
x = 5
b) 18 + 3x = 2x - 12
3x - 2x = -18 - 12
x = -30
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Respuesta:
A-X=5
B-X=-30
A
A
A
A
A
A
A
A
A
Respuesta:
a) 8x - 16 = 12x - 36
-16 + 36 = 12x - 8x
20 = 4x
x = 5
b) 18 + 3x = 2x - 12
3x - 2x = -18 - 12
x = -30